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2 X 440mW Headphone Amplifier Board with Electronic Volume - NJM2777 Zoom

2 X 440mW Headphone Amplifier Board with Electronic Volume - NJM2777

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SKU: AA-AB41129
Welcome to use this self-made 2 x 440mW headphone amplifier board which has perfect class-AB architecture and integrated NJM2777 chip to achieve the 440mW per channel power output.
This board can be powered by any DC power supply ranging from 10 to 15V, which can be used
to drive any headphone whose typical impedance is 8 ohm, 16ohm or 32ohm.

Availability: In stock

$14.90

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Product Description

    Details

     

    2 x 440mW Headphone Amplifier Board With Electronic Volume- NJM2777

    (AA-AB41129) 
    Welcome to view !

     

    Brief Introduction:

    Welcome to use this self-made 2 x 440mW headphone amplifier board which has perfect class-AB architecture and integrated NJM2777 chip to achieve the 440mW per channel power output. 
    This board can be powered by any DC power supply ranging from 10 to 15V, which can be used 
    to drive any headphone whose typical impedance is 8 ohm, 16ohm or 32ohm.  

    Features:

    Size: 3.6” x 2.7”

    Supply range: DC 10V to 15V

    Wide Adjustment Range Of Gain

    Electronic Volume Adjustment  

    Perfect Class-AB architecture

    Applications:

    Mini/Micro systems

    Personal computers

    Microphone amplifier

    Preamplifier

    Portable audio amplifier

    Specifications:

    Following table lists all typical data of the Amp board. For full specification, please refer to the 
    data sheet of NJM2777 chip.
    TA = 25℃, fIN = 1 kHz sine wave, RL = 4Ω. (Unless otherwise stated)

    Parameter

    Condition

    Min.

    Typ.

    Max.

    Power Supply(V)

    -

    10

    12

    15

    Standby Current (mA)

    VIN = 12V

    -

    5

    8

    Output Power(mW)

    Gv=10dB, THD=10%

    70

    100

    -

    THD(%)

     

    -

    0.1

    1

    Channel Separation

    Rg=600Ω, Vin=0dBV

    70

    80

    -

    Power Supply Ripple Rejection(dB)

    -

    -

    70

    -

    Storage Temperature ()

    -

    -20

    20

    105

    Operating Temperature ()

    -

    -

    20

    50

     

    Package:

    2 x 440 mW Class-AB Headphone Amplifier Board x 1


     

     

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